待 subroutine 执行完毕之后，再恢复保留的返回值到操作数栈中，然后通过 return 或者 throw 语句将其返回给该方法的调用者（invoker）。请注意，前文中我们曾经提到过 return、throw 和 break、continue 的区别，对于这条规则（保留返回值），只适用于 return 和 throw 语句，不适用于 break 和 continue 语句，因为...
并不会抛给main方法thrownewException("在catch里面发生异常");}finally{return"我是finally";}}publicstaticStringtest2(){try{// try 的异常被丢弃,并不会抛给main方法thrownewException
System.out.println("insideprocA"); thrownewRuntimeException("demo"); }finally{ System.out.println("procA'sfinally"); } } //Returnfromwithinatryblock. staticvoidprocB(){ try{ System.out.println("insideprocB"); return; }finally{ System.out.println("procB'sfinally"); } } //Executea...
return inside finally block Enabled Warning throw caught by containing try statement Disabled Warning throw inside catch block which ignores the caught exception Disabled Warning throw inside finally block Enabled Warning Unchecked exception class Disabled Warning Unchecked exception declared in throws clause ...
System.out.println("finally block"); } } } 清单1 的执行结果如下: 1 2 3 4 the previous statement oftryblock Exception in thread"main"java.lang.ArithmeticException: / by zero at com.bj.charlie.Test.test(Test.java:15) at com.bj.charlie.Test.main(Test.java:6) ...
System.out.println("Inside catch block"); } } } What happens in the above code if there is any exception is thrown in try block ? Example :While reading file, it maythrow FileNotFoundExceptionand thus further lines intry block will not be executedand control goes to catch block. ...
the outer try block has a single responsibility: to ensure that errors are reported. 注意,the body of the finally clause is intended for cleaning up resources. Don’t put statements that change the control flow (return, throw, break, continue) inside a finally clause. ...
if(obj==null){thrownewIllegalArgumentException("obj can not be null"); 我们可以在同一个catch子句中捕获多个异常吗? 答案是当然可以,不过如果在同一个catch子句中捕获的这些异常都直接或间接继承自同一父类,那么就只能在catch子句中捕获父类了。
}finally { System.out.println("finally block"); } } } 清单1 的执行结果如下: the previous statement of try block Exception in thread "main" java.lang.ArithmeticException: / by zero at com.bj.charlie.Test.test(Test.java:15) at com.bj.charlie.Test.main(Test.java:6) ...
}finally { System.out.println("finally block"); } } } 清单1 的执行结果如下: the previous statement of try block Exception in thread "main" java.lang.ArithmeticException: / by zero at com.bj.charlie.Test.test(Test.java:15) at com.bj.charlie.Test.main(Test.java:6) ...